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How to Use Oxy Acetylene – An Overview

How to Use Oxy Acetylene

Oxyacetylene welding is a popular welding method used in many industries. It involves combining two gases, oxygen and acetylene, to create a flame hot enough to melt metal. This process is often used for large-scale projects such as auto body fabrication or pipe fitting. If you’re considering taking up oxyacetylene welding, it’s important to understand how it works and the various safety precautions that must be taken when using this type of welding equipment. Let’s take a look at everything you need to know about oxyacetylene welding.

Equipment Needed for Oxy Acetylene Welding

The first step in oxyacetylene welding is understanding the equipment needed. This includes a torch with an appropriate tip size, two regulators (one for oxygen and one for acetylene), two hoses, and a spark lighter or striker. Additionally, you will need flame-resistant clothing and goggles for protection against sparks or splatters of molten metal. The clothing should cover your arms, legs, and torso completely; long pants are required even if you are using shorts underneath them. You will also need gloves rated up to 900 degrees Fahrenheit or higher.

Gas Settings for Oxy Acetylene Welding

Once you have all the necessary equipment assembled, it’s time to set up the gas tanks correctly so they can be safely lit and used together. First, attach the regulators correctly by following the manufacturer’s instructions; then, turn the key valves on both tanks until they click twice in order to release any trapped pressure inside them before connecting them to their respective hoses. Once connected, turn on each regulator one at a time—oxygen first, then acetylene—and adjust their pressure settings as per the manufacturer’s recommendations before lighting the torch with your spark lighter or striker.

Welding Techniques for Oxy Acetylene Welding

Now that your setup is complete and your torches are lit, it’s time to start welding! Start by pointing your torch away from yourself and others when starting out; then move closer as needed while keeping a safe distance between yourself and anyone else who may be nearby at all times. When ready to weld, adjust your gas settings as necessary (higher pressures may be needed depending on what material you are working with) before striking an arc while holding your torch at an angle of approximately 15 degrees away from the workpiece in order to prevent splatter from forming around your weld area. Once satisfied with how it looks after finishing your weld pass, turn off both torches before disconnecting their respective hoses from their regulators safely; then turn off both key valves on each tank before turning off their respective regulators, too, in order to ensure no gas escapes into the air around you unnecessarily.


Oxy Acetylene welding can be an incredibly rewarding experience but always make sure that safety comes first! Before attempting any oxyacetylene work, make sure there is adequate ventilation present in addition to having all of the proper protective gear, like goggles and flame-resistant clothing, available at all times! With these tips under your belt, you’ll be ready to tackle any project involving oxyacetylene welding confidently!

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